TSRM/MK4 Supra/Repair Manual
Repair ManualWiring Diagrams
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WD/Wiring Diagrams220 / 277
p.221
COMBINATION METER — MK4 Supra Wiring Diagrams, page 220
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COMBINATION METER SERVICE HINTS B 2 BRAKE FLUID LEVEL WARNING SW 1–2 : CLOSED WITH FLOAT DOWN P 5 PARKING BRAKE SW 1–GROUND : CLOSED WITH PARKING BRAKE LEVER PULLED UP O 2 OIL PRESSURE SW 1–GROUND : CLOSED WITH OIL PRESSURE ABOVE APPROX. 20 KPA (2.8 PSI, 0.2 KG/CM²) E 4 ENGINE COOLANT TEMP. SENDER (WATER TEMP. SENDER) 1–GROUND : APPROX. 160–240 (50˚C, 122˚F) : APPROX. 17.1–20.4 (120˚C, 288˚F) E 7 ENGINE OIL LEVEL SENSOR 1–2 : CLOSED WITH FLOAT UP AND ENGINE OIL TEMP. AT BELOW APPROX. 55˚C (131˚F) OPEN WITH FLOAT DOWN AND ENGINE OIL TEMP. AT BELOW APPROX. 60˚C (140˚F) F14 FUEL SENDER 1–2 : APPROX. 3 AT FUEL FULL : APPROX. 110 AT FUEL EMPTY C10(B), C12(A) COMBINATION METER (B) 9–GROUND : APPROX. 12 VOLTS WITH IGNITION SW AT ON POSITION (A)16–GROUND : APPROX. 12 VOLTS WITH IGNITION SW AT ST POSITION AND SHIFT LEVER AT P OR N POSITION (A/T) 12 VOLTS WITH IGNITION SW AT ST POSITION AND CLUTCH PEDAL DEPRESSED (M/T) (A) 8–GROUND : ALWAYS CONTINUOUS (A)11–GROUND : ALWAYS CONTINUOUS (A) 2–GROUND : ALWAYS APPROX. 12 VOLTS ○ : PARTS LOCATION CODE SEE PAGE CODE SEE PAGE CODE SEE PAGE B 2 24 (2JZ–GTE) E 4 26 (2JZ–GE) O 2 27 (2JZ–GE) 26 (2JZ–GE) 24 (2JZ–GTE) 25 (2JZ–GTE) C 9 28 E 7 26 (2JZ–GE) P 2 27 (2JZ–GE) C10 B 28 E10 29 P 5 29 C11 C 28 F14 30 T 5 29 C12 A 28 I 4 27 T 6 29 D 6 28 J 1 29 E 4 24 (2JZ–GTE) O 2 25 (2JZ–GTE) V10 25 (2JZ–GTE) 27 (2JZ–GE) ○ : RELAY BLOCKS CODE SEE PAGE RELAY BLOCKS (RELAY BLOCK LOCATION) 2 22 R/B NO. 2 (ENGINE COMPARTMENT LEFT) 4 23 R/B NO. 4 (LEFT KICK PANEL) ○ : JUNCTION BLOCK AND WIRE HARNESS CONNECTOR CODE SEE PAGE JUNCTION BLOCK AND WIRE HARNESS (CONNECTOR LOCATION) 1B 20 ENGINE ROOM MAIN WIRE AND J/B NO. 1 (LEFT KICK PANEL) 1E 20 INSTRUMENT PANEL WIRE AND J/B NO. 1 (LEFT KICK PANEL) 1G 1H 1I 20 COWL WIRE AND J/B NO. 1 (LEFT KICK PANEL) 1J 1K □ : CONNECTOR JOINING WIRE HARNESS AND WIRE HARNESS CODE SEE PAGE JOINING WIRE HARNESS AND WIRE HARNESS (CONNECTOR LOCATION) IB1 IB2 36 ENGINE ROOM MAIN WIRE AND COWL WIRE (LEFT KICK PANEL) IE1 36 INSTRUMENT PANEL WIRE AND FLOOR NO. 2 WIRE (LEFT KICK PANEL) IF1 IF2 36 INSTRUMENT PANEL WIRE AND COWL WIRE (INSTRUMENT PANEL REINFORCEMENT LH) IF3 36 INSTRUMENT PANEL WIRE AND COWL WIRE (RIGHT KICK PANEL) II1 38 ENGINE WIRE AND INSTRUMENT PANEL WIRE (RIGHT KICK PANEL) IJ2 38 ENGINE WIRE AND COWL WIRE (RIGHT KICK PANEL) BP1 40 FUEL GAUGE WIRE AND FLOOR NO. 2 WIRE (LUGGAGE ROOM FRONT LH) 224